FU-924F and FU-924FA electronic tubes are metal ceramic structure, directly heated thorium tungsten cathode and anode air-cooled high power triode. The maximum dissipation power of the anode is 25KW, the frequency is not higher than 30MHz, and the output power can reach 40KW. It is mainly used for oscillation and amplification in industrial high frequency dielectric heating equipment. The cathode of FU-924FA electronic tube adopts soft lead wire for its filament, which simplifies the installation.
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Characteristic Parameter
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Filament Voltage
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10V
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Filament Current
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146A
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Surge Current
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210A
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Transconductance
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>=60mA/V
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Amplification Factor
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23
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Interelectrode Capacitances
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Grid-Plate
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43.5 pF
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Grid- Filament
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83.4 pF
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Filament-Plate
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3.1 pF
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Weight
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14.6KGS
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Operation Position
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Plate down
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Cooling
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Forced air
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Plate Cooling Air Flow
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150m3/h
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Air Flow On Stem
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60m3/h
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Max Temperature at Any Point on Tube Envelope
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250 โ
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Extreme Application Data
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Frequency
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30Mhz
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Plate Voltage (DC)
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12kV
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Grid Voltage (DC)
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-1500V
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Plate Dissipation
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25kW
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Grid Dissipation
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700W
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Plate Current (DC) at most
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6A
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Grid Current (DC) at most
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1.5A
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Typical Working State
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Working Frequency
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30Mhz
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Filament Voltage
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10V
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Plate Voltage (DC)
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10kV
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Grid Voltage (DC)
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-850V
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Grid RF Peak Voltage
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5A
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Plate Current (DC)
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5A
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Grid Current (DC)
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0.8A
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Output Power
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40KW
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